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Message.AppSpecific Property

Gets or sets additional, application-specific information.

Namespace:  System.Messaging
Assembly:  System.Messaging (in System.Messaging.dll)

public int AppSpecific { get; set; }

Property Value

Type: System.Int32
Information that is specific to the application. The default is zero.


The message queue is filtered to ignore the AppSpecific property.

The AppSpecific property contains application-specific information that you can use to organize different types of messages. For example, you can use application-specific indexes. It is the responsibility of the application to interpret AppSpecific property information.

Whenever possible, you should include message data in the body of the message rather than the AppSpecific property.

When working with foreign queues, use the Extension property to specify message properties that do not exist in Message Queuing. As with the AppSpecific property, it is the responsibility of the application to understand the content of the Extension property.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0

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